Adamant vs. Arrogant — What's the Difference?

Adamant in classical mythology is an archaic form of diamond. In fact, the English word diamond is ultimately derived from adamas, via Late Latin diamas and Old French diamant.

Having or displaying excessive pride in oneself or an excessive sense of self-importance.

Refusing to be persuaded or to change one's mind

Marked by or arising from a feeling or assumption of one's superiority over others

A legendary rock or mineral to which many properties were attributed, formerly associated with diamond or lodestone.

Having excessive pride in oneself, often with contempt or disrespect for others.

Not willing to change one's opinion, purpose, or principles; unyielding.

Making, or having the disposition to make, exorbitant claims of rank or estimation; giving one's self an undue degree of importance; assuming; haughty; - applied to persons.

A stone once believed to be impenetrable in its hardness.

Containing arrogance; marked with arrogance; proceeding from undue claims or self-importance; - applied to things; as, arrogant pretensions or behavior.

An extremely hard substance.

Having or showing feelings of unwarranted importance out of overbearing pride;

(said of people and their conviction) Firm; unshakeable; unyielding; determined.

(of an object) Very difficult to break, pierce, or cut.

An imaginary rock or mineral of impenetrable hardness; a name given to the diamond and other substances of extreme hardness.

An embodiment of impregnable hardness.

(obsolete) A lodestone.

A stone imagined by some to be of impenetrable hardness; a name given to the diamond and other substances of extreme hardness; but in modern mineralogy it has no technical signification. It is now a rhetorical or poetical name for the embodiment of impenetrable hardness.

Lodestone; magnet.

Very hard native crystalline carbon valued as a gem

Not capable of being swayed or diverted from a course; unsusceptible to persuasion;